Tschirky, Leopold, 1891-1960.
     Person 
  
Found in 2 Collections and/or Records:
Leopold Tschirky patent
     Collection  — Manuscript box 11 - folder 1: [Barcode: 31924065241352]
  
    
      Identifier: 1761m
    
          Dates: 
        1933 July 18.
      
      
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 - Furnaces -- Design and construction. 1
 - Patents. 1
 - Scrapbooks. 1